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Finding the Fourth Proportional to 444,474.30, 665,727.30 and 365,742.30

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Solution

The fourth proportional to 444,474.30, 665,727.30 and 365,742.30 is: 547,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,474.30 : 665,727.30 = 365,742.30 : x
  2. Step 2: Convert to fraction form
    444,474.30/665,727.30 = 365,742.30/x
  3. Step 3: Cross multiply
    444,474.30x = 665,727.30 × 365,742.30
  4. Step 4: Simplify right side
    444,474.30x = 243,484,633,874.79
  5. Step 5: Solve for x
    x = 243,484,633,874.79/444,474.30
  6. Step 6: Final answer
    x = 547,803.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.